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Browse by Category: Main > Electrical & Energy
Class Information
Number: 327/311
Name: Miscellaneous active electrical nonlinear devices, circuits, and systems > Signal converting, shaping, or generating > Amplitude control > By limiting, clipping, or clamping > Transient or signal noise reduction > By filtering
Description: Subject matter wherein the limiting, clipping or clamping of a signal transient is provided by a circuit which offers little opposition to some frequencies or DC while blocking or attenuating other frequencies.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8605840 Method to cancel impulsive interference from a signal processing system Dec. 10, 2013
8593085 Device for charging accumulator means Nov. 26, 2013
8587460 A/D conversion device and compensation control method for A/D conversion device Nov. 19, 2013
8519736 Digital noise protection circuit and method Aug. 27, 2013
8362939 Switched-capacitor pipeline ADC stage Jan. 29, 2013
8355431 Decision feedback equalizer having clock recovery circuit and method for recovering clock Jan. 15, 2013
8164357 Digital noise protection circuit and method Apr. 24, 2012
8149029 Electronic device with optical module Apr. 3, 2012
8063688 AC clamp circuit for video applications Nov. 22, 2011
7733164 Semiconductor device with decoupling capacitance controlled and control method for the same Jun. 8, 2010
7710210 Apparatus for distributing a signal May. 4, 2010
7692467 Capacitance for decoupling intermediate level power rails Apr. 6, 2010
7636407 Signal detector used in wireless communication system Dec. 22, 2009
7589575 Precision integrated phase lock loop circuit loop filter Sep. 15, 2009
7570690 Adaptive equalizer with a dual-mode active taps mask generator and a pilot reference signal amplitude control unit Aug. 4, 2009
7539243 Method and system for low-power integrating decision feedback equalizer with fast switched-capacitor feed forward path May. 26, 2009
7521990 Noise reduction circuits Apr. 21, 2009
7471140 Circuit device for filtering or impedance matching Dec. 30, 2008
7412208 Transmission system for transmitting RF signals, power and control signals via RF coaxial cables Aug. 12, 2008
7372323 Resonance limiter circuits for an integrated circuit May. 13, 2008
7161417 Loop filter and method for generating stable control voltage of the same Jan. 9, 2007
7157954 Semiconductor type two phase locked loop filter Jan. 2, 2007
7057450 Noise filter for an integrated circuit Jun. 6, 2006
7057449 Noise cancellation in mixed signal environment Jun. 6, 2006
7015747 Device for controlling a frequency response by scaling an impedance Mar. 21, 2006
6995618 VCO feedback loop to reduce phase noise Feb. 7, 2006
6995605 Resonance suppression circuit Feb. 7, 2006
6861898 Loop filter and method for adjusting a compensating current of the same Mar. 1, 2005
6774714 Semiconductor device provided with noise cut filter Aug. 10, 2004
6696868 Frequency to frequency de-randomizer circuit Feb. 24, 2004
6661281 Method for reducing current surge using multi-stage ramp shunting Dec. 9, 2003
6614294 Filter to remove noise coupling into a sensitive circuit node Sep. 2, 2003
6597227 System for providing electrostatic discharge protection for high-speed integrated circuits Jul. 22, 2003
6538499 Low jitter transmitter architecture with post PLL filter Mar. 25, 2003
6535057 Programmable glitch filter Mar. 18, 2003
6529061 Semiconductor device Mar. 4, 2003
6507799 Method and apparatus for reducing microprocessor speed requirements in data acquisition applications Jan. 14, 2003
6459331 Noise suppression circuit, ASIC, navigation apparatus communication circuit, and communication apparatus having the same Oct. 1, 2002
6437639 Programmable RC filter Aug. 20, 2002
6271706 Divided voltage de-coupling structure Aug. 7, 2001
6256157 Method and apparatus for removing noise spikes Jul. 3, 2001
6215347 Undershoot/overshoot protecting circuit Apr. 10, 2001
6154090 Method of and an active filter for reducing a residual ripple of a current drawn by a load from a network Nov. 28, 2000
6144193 Isolated transformer coupled gate drive for signals having variable duty cycle Nov. 7, 2000
6122605 Apparatus and method for filtering a digital signal Sep. 19, 2000
6072340 Pulse shaping and filtering circuit for digital pulse data transmissions Jun. 6, 2000
6066973 Semiconductor integrated circuit having input circuit May. 23, 2000
6060946 Semiconductor device having improved immunity to power supply voltage fluctuations May. 9, 2000
6031416 First and second order CMOS elementary cells for time-continuous analog filters Feb. 29, 2000
6031406 Single rail regulator Feb. 29, 2000

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